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Found 1 result for the keyword ‘Zonolite’

  • Overview: Vermiculite, Zonolite, Asbestos and your health

    Note 2014 : As you read below you will find a detailed history of Vermiculite insulation and problems it had starting in 1920.  Just recently I have become aware of houses built around or before 1920, yes 100 year old houses, where it was discovered that there was about 2 inches of Vermiculite u...